65291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1669}}^1$

素因数の和:1848

約数の個数: 80

約数和(自身を含む): 203766720

約数和(自身を除く): 138475440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1669, 1956, 2445, 2608, 3260, 3338, 3912, 4890, 5007, 6520, 6676, 7824, 8345, 9780, 10014, 13040, 13352, 16690, 19560, 20028, 25035, 26704, 33380, 39120, 40056, 50070, 66760, 80112, 100140, 133520, 200280, 272047, 400560, 544094, 816141, 1088188, 1360235, 1632282, 2176376, 2720470, 3264564, 4080705, 4352752, 5440940, 6529128, 8161410, 10881880, 13058256, 16322820, 21763760, 32645640, 65291280]

約数ペア:

[(1, 65291280), (2, 32645640), (3, 21763760), (4, 16322820), (5, 13058256), (6, 10881880), (8, 8161410), (10, 6529128), (12, 5440940), (15, 4352752), (16, 4080705), (20, 3264564), (24, 2720470), (30, 2176376), (40, 1632282), (48, 1360235), (60, 1088188), (80, 816141), (120, 544094), (163, 400560), (240, 272047), (326, 200280), (489, 133520), (652, 100140), (815, 80112), (978, 66760), (1304, 50070), (1630, 40056), (1669, 39120), (1956, 33380), (2445, 26704), (2608, 25035), (3260, 20028), (3338, 19560), (3912, 16690), (4890, 13352), (5007, 13040), (6520, 10014), (6676, 9780), (7824, 8345)]